/Engine/Source/Editor/AnimGraph/Public/IAnimBlueprintCompilationContext.h
Map of true source objects (user edited ones) to the cloned ones that are actually compiled.
const [TMap](API\Runtime\Core\Containers\TMap)< [UAnimGraphNode_Base](API\Editor\AnimGraph\UAnimGraphNode_Base) *, [UAnimGraphNode_Base](API\Editor\AnimGraph\UAnimGraphNode_Base) * > & GetSourceNodeToProcessedNodeMap() const